Alert archive / Wisconsin / Special Weather Statements in 2016
Special Weather Statement, NWS Green Bay, WI
NWS Green Bay, WI issued this special weather statement at Jul 20, 2016, 11:39 AM CDT for Portage County, Wisconsin. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 20, 2016, 11:39 AM CDT (16:39 UTC)
- Expired
- Jul 20, 2016, 12:30 PM CDT
- In force
- 51 min
- Issued by
- NWS Green Bay, WI
County Portage County, WI
The radar
The Green Bay radar (KGRB), 134 km from the middle of the area, began a volume at 16:42 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 4.7 hours before the alert went out and 135 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 202 J/kg
- Mixed-layer CIN
- -204 J/kg
- Mixed-layer LCL
- 1054 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted.
184
WWUS83 KGRB 201639
SPSGRB
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
1139 AM CDT WED JUL 20 2016
WIZ035-036-201730-
PORTAGE-WOOD-
1139 AM CDT WED JUL 20 2016
...A STRONG THUNDERSTORM TO AFFECT NORTHEASTERN WOOD AND
NORTHWESTERN PORTAGE COUNTIES...
AT 1137 AM CDT...A STRONG THUNDERSTORM WAS LOCATED 9 MILES EAST OF
MARSHFIELD...OR 15 MILES NORTHWEST OF WISCONSIN RAPIDS...MOVING EAST
AT 20 MPH.
WINDS IN EXCESS OF 30 MPH AND HALF INCH HAIL ARE POSSIBLE WITH THIS
STORM. TORRENTIAL DOWNPOURS AND REDUCED VISIBILITIES ALSO ACCOMPANY
THIS STORM.
THIS STORM WILL BE NEAR...
STEVENS POINT AND WHITING AROUND 1230 PM CDT.
OTHER LOCATIONS IMPACTED BY THIS STORM INCLUDE
RUDOLPH...ELLIS...POWERS BLUFF COUNTY
PARK...STOCKTON...BETHEL...MILLADORE...AUBURNDALE...PARK
RIDGE...DEWEY MARSH WILDLIFE AREA AND JUNCTION CITY.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY CAUSE
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.
THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO
STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION
AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.
LAT...LON 4468 9009 4469 8961 4467 8940 4441 8946
4453 9010
TIME...MOT...LOC 1637Z 284DEG 18KT 4461 8998
$$
EBThe office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 10:49 AM CDT | Special Weather Statement | GRB | Marathon, Portage, Wood | 41 min |
| Jul 20, 10:54 AM CDT | Special Weather Statement | GRB | Wood | 36 min |
| Jul 20, 11:20 AM CDT | Special Weather Statement | GRB | Wood | 40 min |
| Jul 20, 3:02 PM CDT | Heat Advisory | GRB | Brown, Calumet, Manitowoc, Marathon, Menominee, Oconto and 7 more | 13 hr |
| Jul 20, 5:18 PM CDT | Special Weather Statement | GRB | Wood | 57 min |
| Jul 20, 6:02 PM CDT | Special Weather Statement | GRB | Wood | 58 min |
Nearby
Special Weather Statements in Wisconsin, 2016Every special weather statement in 2016
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.